#intro {
  position: absolute;
  top: 0px;
  left: 0px;
  right: 0px;
  bottom: 0px;
  background: #ffffff url('/view/img/logo.svg') no-repeat center center !important;
  background-size: 451px 485px !important;
  opacity: 1;
  -moz-transition-duration: 1.5s;
  -webkit-transition-duration: 1.5s;
  -o-transition-duration: 1.5s;
  transition-duration: 1.5s;
  z-index: 1000;
}
@media (max-width: 767px) {
  #intro {
    background-size: 270px 289px !important;
  }
}
#intro.out {
  opacity: 0;
  background-size: 270px 289px !important;
}
@media (max-width: 767px) {
  #intro.out {
    background-size: 120px 128px !important;
  }
}